| .3D | Interscape | ملفات صور 3D | 3D Drawing CAD Data | Advanced Print Publisher (formerly Advent 3B2) | Global Publishing Solutions |
| .3F | Global Publishing Solutions | ملفات البيانات | Advent 3B2 Template | Advanced Print Publisher (formerly Advent 3B2) | Global Publishing Solutions |
| .3H | Global Publishing Solutions | ملفات البيانات | 3B2 Tag Header | Advanced Print Publisher (formerly Advent 3B2) | Global Publishing Solutions |
| .3K | Global Publishing Solutions | ملفات البيانات | Advent 3B2 Keyboard Definition File | Advanced Print Publisher (formerly Advent 3B2) | Global Publishing Solutions |
| .3RF | Global Publishing Solutions | ملفات المطور | Advent 3B2 Extensions Script Cross Reference | Advanced Print Publisher (formerly Advent 3B2) | Global Publishing Solutions |
| .3S | Parametric Technology Corporation | ملفات البيانات | Paragraph Styles File | Advanced Print Publisher (formerly Advent 3B2) | Global Publishing Solutions |
| .3T | Global Publishing Solutions | الملفات النصية | Advent 3B2 Text File | Advanced Print Publisher (formerly Advent 3B2) | Global Publishing Solutions |
من 1 
